cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A067149 Indices of records of A067148.

Original entry on oeis.org

1, 2, 5, 11, 23, 53, 293, 24773, 422573, 86203853
Offset: 1

Views

Author

John W. Layman, Jan 04 2002

Keywords

Comments

For the known terms, A067148(a(n))=n+1, a(n) is odd for n>2 and a(n)==2 (mod 3) for n>1. Do these trends continue?

Crossrefs

Cf. A067148.

Programs

  • Mathematica
    a[ n_ ] := Module[ {}, If[ n==2, Return[ 1 ] ]; For[ f0=3; f1=2; f2=1; c=0, f0<=n, f0=(f2=f1)+(f1=f0), If[ Mod[ n-f0, f2 ]==0, c++ ] ]; c ]; For[ n=1; max=-1, True, n++, If[ a[ n ]>max, Print[ n ]; max=a[ n ] ] ]

Extensions

Last term from Dean Hickerson, Jan 12 2002